EP0889610A3 - SPS synchronization method - Google Patents

SPS synchronization method Download PDF

Info

Publication number
EP0889610A3
EP0889610A3 EP98401453A EP98401453A EP0889610A3 EP 0889610 A3 EP0889610 A3 EP 0889610A3 EP 98401453 A EP98401453 A EP 98401453A EP 98401453 A EP98401453 A EP 98401453A EP 0889610 A3 EP0889610 A3 EP 0889610A3
Authority
EP
European Patent Office
Prior art keywords
sps
signal
information
local
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98401453A
Other languages
German (de)
French (fr)
Other versions
EP0889610A2 (en
EP0889610B1 (en
Inventor
Juan José Anaya Luengo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alcatel Lucent SAS
Original Assignee
Alcatel CIT SA
Alcatel SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Alcatel CIT SA, Alcatel SA filed Critical Alcatel CIT SA
Publication of EP0889610A2 publication Critical patent/EP0889610A2/en
Publication of EP0889610A3 publication Critical patent/EP0889610A3/en
Application granted granted Critical
Publication of EP0889610B1 publication Critical patent/EP0889610B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0644—External master-clock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0647—Synchronisation among TDM nodes

Abstract

This invention refers to a synchronization method of a remote unit from a SPS timing signal (SPS) produced in a local unit. The SPS timing signal (SPS) is in the form of successive pulses (1) which are produced from signals received from satellites. The SPS signal (SPS) is asynchronous with respect to the system clock, that is, the reference clock defined between the local unit and the remote unit has no initial relationship with the SPS signal (SPS).
The invention is characterized in that it includes the following steps:
  • calculation in the local unit of an information ("10011010") representing the number of local clock cycles occurring from the appearance of a pulse (1) until the moment (SL) when this information is injected into the data stream (FR); and
  • generation in the remote unit of a synchronization signal related to the SPS signal, depending on this information ("10011010").
EP98401453A 1997-07-01 1998-06-15 SPS synchronization method Expired - Lifetime EP0889610B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES9701456 1997-07-01
ES9701456 1997-07-01

Publications (3)

Publication Number Publication Date
EP0889610A2 EP0889610A2 (en) 1999-01-07
EP0889610A3 true EP0889610A3 (en) 2002-09-25
EP0889610B1 EP0889610B1 (en) 2005-12-21

Family

ID=8299904

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98401453A Expired - Lifetime EP0889610B1 (en) 1997-07-01 1998-06-15 SPS synchronization method

Country Status (7)

Country Link
US (1) US6226284B1 (en)
EP (1) EP0889610B1 (en)
JP (1) JPH11150531A (en)
CN (1) CN1208923C (en)
AU (1) AU753396B2 (en)
CA (1) CA2240527A1 (en)
DE (1) DE69832848T2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6493338B1 (en) 1997-05-19 2002-12-10 Airbiquity Inc. Multichannel in-band signaling for data communications over digital wireless telecommunications networks
US6690681B1 (en) 1997-05-19 2004-02-10 Airbiquity Inc. In-band signaling for data communications over digital wireless telecommunications network
US7215965B2 (en) 2001-11-01 2007-05-08 Airbiquity Inc. Facility and method for wireless transmission of location data in a voice channel of a digital wireless telecommunications network
US7508810B2 (en) 2005-01-31 2009-03-24 Airbiquity Inc. Voice channel control of wireless packet data communications
US7924934B2 (en) 2006-04-07 2011-04-12 Airbiquity, Inc. Time diversity voice channel data communications
US7979095B2 (en) 2007-10-20 2011-07-12 Airbiquity, Inc. Wireless in-band signaling with in-vehicle systems
US7983310B2 (en) 2008-09-15 2011-07-19 Airbiquity Inc. Methods for in-band signaling through enhanced variable-rate codecs
US8594138B2 (en) 2008-09-15 2013-11-26 Airbiquity Inc. Methods for in-band signaling through enhanced variable-rate codecs
US8036600B2 (en) 2009-04-27 2011-10-11 Airbiquity, Inc. Using a bluetooth capable mobile phone to access a remote network
US8418039B2 (en) 2009-08-03 2013-04-09 Airbiquity Inc. Efficient error correction scheme for data transmission in a wireless in-band signaling system
US8249865B2 (en) 2009-11-23 2012-08-21 Airbiquity Inc. Adaptive data transmission for a digital in-band modem operating over a voice channel
US8848825B2 (en) 2011-09-22 2014-09-30 Airbiquity Inc. Echo cancellation in wireless inband signaling modem

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5481258A (en) * 1993-08-11 1996-01-02 Glenayre Electronics, Inc. Method and apparatus for coordinating clocks in a simulcast network
US5510797A (en) * 1993-04-15 1996-04-23 Trimble Navigation Limited Provision of SPS timing signals

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5600329A (en) * 1995-06-30 1997-02-04 Honeywell Inc. Differential satellite positioning system ground station with integrity monitoring
US5812087A (en) * 1997-02-03 1998-09-22 Snaptrack, Inc. Method and apparatus for satellite positioning system based time measurement
US6549242B1 (en) * 1997-04-04 2003-04-15 Harris Corporation Combining adjacent TV channels for transmission by a common antenna
US5910788A (en) * 1997-04-17 1999-06-08 Honeywell, Inc. Predictive approach integrity
US6111541A (en) * 1997-05-09 2000-08-29 Sony Corporation Positioning system using packet radio to provide differential global positioning satellite corrections and information relative to a position
WO1998053573A2 (en) * 1997-05-19 1998-11-26 Integrated Data Communications, Inc. System and method to communicate time stamped, 3-axis geo-position data within telecommunication networks
US6121928A (en) * 1998-08-18 2000-09-19 Trimble Navigation Limited Network of ground transceivers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5510797A (en) * 1993-04-15 1996-04-23 Trimble Navigation Limited Provision of SPS timing signals
US5481258A (en) * 1993-08-11 1996-01-02 Glenayre Electronics, Inc. Method and apparatus for coordinating clocks in a simulcast network

Also Published As

Publication number Publication date
JPH11150531A (en) 1999-06-02
DE69832848T2 (en) 2006-08-10
AU7195498A (en) 1999-01-14
CN1204907A (en) 1999-01-13
DE69832848D1 (en) 2006-01-26
US6226284B1 (en) 2001-05-01
EP0889610A2 (en) 1999-01-07
AU753396B2 (en) 2002-10-17
CN1208923C (en) 2005-06-29
CA2240527A1 (en) 1999-01-01
EP0889610B1 (en) 2005-12-21

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